This section is a compendium of articles about Ecology.
by Muthu Karthick The dry landscapes of Tamilnadu are often characterized by the dominance of Palmyra Palm trees. Palmyra vegetation is composed of tall grasses and few thickets. Globally spread across India and Burma, the tree finds itself as an integral part of ecosystem as well in cultural values of people. The slow growing young […]
by Ms. Tamanna kalam Pheasant tailed Jacana Scientific name: Hydrophasianus chirurgus (Scopoli) Local name: Miwa, Manal pura (Tamil), Phio, Pihuya (Hindi) Size: Francolin± Field Characters: In breeding dress, identified in flight by the large amount of white and chocolate brown in plumage, and the pointed down curved tail Non-breeding birds chiefly pale brown and white, with […]
by Mr. Vinoth.B King Crow – farmer’s winged friend Local name: Karichan kuruvi, Karuvattu vaali, Rettai vaal kuruvi.
by Dr. J. Subramanean During the months of December there is an ancient marine reptile that visits the Chennai coast to breed. This is the story of the marine reptile –the olive ridley ( Lepidochelys olivacea Escho.). The olive ridley sea turtle is a transoceanic migrant that travels long distances to breed in the Chennai coast. […]
by Dr.Avantika bhaskar Therea petiveriana Cockroaches are highly diverse with nearly 4000 described species. Therea petiveriana (Linnaeus, 1758) is also known as ‘desert cockroach’, ‘seven-spotted cockroach’ or ‘Indian domino cockroach’. It belongs to a primitive family of cockroaches (Blaberoidea: Polyphagidae). It inhabits waste heaps in and around human habitations as well as humus accumulations in […]
Eichhornia crassipes by Dr.Avantika Bhaskar This beautiful purple flowered plant is believed to be one of the world’s worst water weed. Invasive species like this reduce native species abundance and richness, decrease genetic diversity and alter ecosystem services and processes. Eichhornia crassipes (Mart.) Solms (Pontederiaceae), commonly known as Water Hyacinth is a native of Amazon […]
by K. Narasimmarajan Chital (Axis axis) Chital (Axis axis) or/ spotted Deer is one of the common deer found throughout Indian sub-continent and is considered a species belonging to the category of Least Concern (LC) IUCN 2010. The Chital lives in herds with the female leading the group. Chital as ‘the most primitive of Cervid deer; […]
Dogs, zoologically known as Canis familiaris, are carnivorous mammals that share a number of habits with wolves, jackals and foxes. Like many other flesh-eating mammals, dogs have canine teeth that they use quite efficiently while hunting, feeding and defending themselves. They are social and prone to living in packs like wolves. But the species does […]
by Dr. J.Subramanean Snake are more fascinating than any other animal in the world. Due to fear arising out of lack of knowledge they are often killed. There are about 2,700 snakes in the world of which about 278 are found in India. Snakes are cold blooded vertebrates that can be broadly classified into arboreal, terrestrial, […]
Know Your Bird What is a Bird? A bird is a two-legged feathered animal. It has a backbone and has the ability to keep its body warm through metabolism. Where are Birds Found? Birds are found all over the world in all continents and in some of the world’s highest mountains. How many different Birds […]
Know your Tree What is a tree? A tree is a large flowering plant whose stem and branches are made of hard woody material. Do all trees have branches? Yes. All trees have branches. What is a coniferous tree? Coniferous trees belong to a group of plants called ‘naked seeded’ plants. Coniferous trees have a […]
Red List Category & Criteria: Least Concern The Little Stint is a small wader bird. It is a long distance migratory bird. It is small in size, has a dark bill and dark legs which helps it to move quickly. It is distinguished from other dark legged stints by its plumage, fine bill tip, unwebbed toes […]
Common name: Greater Flamingo Red List Category & Criteria: Least Concern Scientific name: Phoenicopterus roseus Population Trend: Increasing Flamingos have a long neck, are white and have a heavy pink bill. They are often seen standing on one leg, while the other is tucked beneath the body. Some researchers (Walker, M., 2009) attribute this behavior […]